00432nam a2200181   450000500170000000600040001700700040002100800040002502000150002904000090004405000210005310000190007424500440009325000120013726000450014930000240019450000320021820181030102451.0000000000  a0582411467  aUOEL  aTK 146b.H9 1977  aHughes, Edward  aElectrical Technologycby Edward Hughes  a5th ed.  aLondon :bLongman Group Limited ;cc1977  axviii,710p. :bill.  aincludes Appendix and index